Examine source code of Smooth Cursorify

{
  "name": "Smooth Cursorify",
  "short_name": "Smooth Cursorify",
  "version": "0.3.0",
  "manifest_version": 3,
  "description": "Apply a Microsoft Word-like smooth caret animation to multiple online editors",
  "content_scripts": [
    {
      "matches": [
        "https://docs.google.com/document/*",
        "https://www.overleaf.com/project/*",
        "https://typst.app/*",
        "https://codepen.io/pen/*",
        "https://codepen.io/pen",
        "https://leetcode.com/problems/*"
      ],
      "js": [
        "core.js"
      ]
    },
    {
      "matches": [
        "https://docs.google.com/spreadsheets/*",
        "http://docs.google.com/spreadsheets/*"
      ],
      "js": [
        "google-sheets.js"
      ]
    }
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_security_policy": {},
  "browser_specific_settings": {
    "gecko": {
      "id": "{b3f79b6d-0801-4b49-bf18-5ff3f8d24c68}"
    }
  }
}